Device for testing high-temperature and high-pressure corrosion rate of multi-phase medium

Abstract

The invention discloses a device for testing a high-temperature and high-pressure corrosion rate of a multi-phase medium and relates to the technical field of corrosion rate testing, and the device comprises a gas-liquid stirring device, a preheater, a high-temperature and high-pressure reactor connected with a magnetic force stirring mechanism, and an inductance probe tester extended into the high-temperature and high-pressure reactor; the upper end of the high-temperature and high-pressure reactor is connected with a gas-liquid mixture injection pipeline which is further connected with the preheater, and the lower end of the high-temperature and high-pressure reactor is connected with a gas-liquid mixture discharge pipeline. The device can solve the problems that: because the reactor in the present technology is in static environment, the corrosion test only can be executed in static environment, so that dynamic environment in a pit is difficultly simulated, tested data isn't sufficiently accurate and the measuring speed is slower when hanging sheets are arranged the reactor, and only the average corrosion rate in longer time can be obtained.

Description

technical field [0001] The invention relates to the technical field of corrosion rate testing, in particular to a multiphase medium high temperature and high pressure corrosion rate testing device. Background technique [0002] Combustion oil recovery is an effective technology to enhance oil recovery. Compared with steam flooding oil recovery technology, it can be applied under harsher formation conditions, so it is a thermal recovery technology for heavy oil and residual oil. In the oil recovery process of burning oil reservoirs, the high temperature and high pressure environment of injection wells and production wells is very harsh. For example, during the ignition process of the injection well (such as electric ignition), the ignition temperature is generally about 450° C., and the wellbore of the oil layer section of the injection well will appear high temperature for a period of time. In addition, the air injected into the injection well will carry a certain amount of...

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Problems solved by technology

[0004] The embodiment of the present invention provides a multi-phase medium high temperature and high pressure corrosion rate testing device to solve the problem that the environment in the reaction kettle in the prior art is a static environment, so that the corrosion test can only be tested in a static environment, and it is difficult to simulate the dynamic environment in the mine. The data is not accurate enough, and the measurement method by setting coupons in the reactor is slow, and only the average corrosion rate can be obtained for a long period of time

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